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https://git.rwth-aachen.de/acs/public/villas/node/
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107 lines
2.4 KiB
C
107 lines
2.4 KiB
C
/** Path restart hook.
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*
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* @author Steffen Vogel <stvogel@eonerc.rwth-aachen.de>
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* @copyright 2017, Institute for Automation of Complex Power Systems, EONERC
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* @license GNU General Public License (version 3)
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*
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* VILLASnode
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*********************************************************************************/
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/** @addtogroup hooks Hook functions
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* @{
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*/
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#include "hook.h"
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#include "plugin.h"
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#include "path.h"
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#include "sample.h"
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struct restart {
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struct sample *prev;
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};
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static int restart_start(struct hook *h)
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{
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struct restart *r = h->_vd;
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r->prev = NULL;
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return 0;
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}
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static int restart_stop(struct hook *h)
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{
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struct restart *r = h->_vd;
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if (r->prev)
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sample_put(r->prev);
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return 0;
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}
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static int restart_read(struct hook *h, struct sample *smps[], size_t *cnt)
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{
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int i;
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struct restart *r = h->_vd;
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struct sample *prev, *cur = NULL;
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assert(h->path);
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for (i = 0, prev = r->prev; i < *cnt; i++, prev = cur) {
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cur = smps[i];
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if (prev) {
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if (cur->sequence == 0 && prev->sequence <= UINT32_MAX - 32) {
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warn("Simulation for path %s restarted (previous->seq=%u, current->seq=%u)",
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path_name(h->path), prev->sequence, cur->sequence);
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/* Run restart hooks */
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for (size_t i = 0; i < list_length(&h->path->hooks); i++) {
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struct hook *k = list_at(&h->path->hooks, i);
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hook_restart(k);
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}
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}
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}
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}
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if (cur)
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sample_get(cur);
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if (r->prev)
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sample_put(r->prev);
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r->prev = cur;
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return 0;
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}
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static struct plugin p = {
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.name = "restart",
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.description = "Call restart hooks for current path",
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.type = PLUGIN_TYPE_HOOK,
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.hook = {
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.priority = 1,
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.builtin = true,
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.read = restart_read,
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.start = restart_start,
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.stop = restart_stop,
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.size = sizeof(struct restart)
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}
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};
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REGISTER_PLUGIN(&p)
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/** @} */
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